Performing a successful calibration has never been so simple Most measuring issues are due to incorrect calibration procedures. With our illustrated, step-by-step on-screen calibration and troubleshooting procedures, water quality professionals can succeed every time. Deliver your daily activity in just a few clicks Whether you are at your facility or working in the field, the Hach® HQ Series portable meter ensures your data will be safely transferred via USB. Sensors designed for every application We offer standard laboratory and rugged field IntelliCALⓇ smart sensors available with the HQ Series to measure a wide variety of parameters including Total Dissolved Solids (TDS), Optical Dissolved Oxygen (DO), Biochemical Oxygen Demand (BOD), Temperature, Conductivity, and pH. IntelliCAL smart probes are automatically recognized by HQ meters, retain calibration history and method settings to minimize errors and setup time. They incorporate proven technology to deliver superior accuracy and response times - even when measuring challenging samples or challenging operating environments. Peace of mind: Hach service and support will be there for you Our Technical Support, Field Service, and Central Service Teams work together with over 80 years of electrochemistry expertise to help you maximize instrument uptime, ensure data integrity, maintain operational stability, and reduce compliance risk. Never feel alone when you need support. | 
